Page 1 PROPOSAL FOR HUBBLE SPACE TELESCOPE OBSERVATIONS ST ScI Use Only ID 5753 Report Date: 18-Jul-95:17:56 Version: ********** Check-in Date: ********** 1.Proposal Title: SINS: THE SUPERNOVA INTENSIVE STUDY ------------------------------------------------------------------------------------ 2. Scientific Category 3. Proposal For 4. Proposal Type 5. Continuation ID INTERSTELLAR MEDIUM GO 3 Long Term yrs 5480 Sub Category Target of Oppt. SN & SNR Large Project ------------------------------------------------------------------------------------ 6. Principal Investigator Institution Country Telephone Robert P. Kirshner HARVARD COLLEGE OBSERVATORY USA 617-495-7519 ------------------------------------------------------------------------------------ 7. Abstract We are now underway in our intensive study of supernovae with HST. This long-term project promises to illuminate problems in stellar evolution, the mechanism of stellar explosion, nucleosynthesis, the energetics of interstellar gas, and the extragalactic distance scale. Initial observations, starting in the Spring of 1992, show that HST observations of SN 1987A are rich in content and that these high- minded goals can actually be achieved. Our HST observations of a new supernova, SN1992A, demonstrate that Target-of-Opportunity observations with HST are worth the effort. We were poised to observe SN 1993J in M81 and we obtained a beautiful UV/optical spectrum from an early epoch of this peculiar supernova. Our long-term plan is to continue the imaging and spectroscopy of SN 1987A, to obtain unprecedented late-time UV spectra of SN 1993J, and to realize the promise of our Cycle 1 proposal by following the late-time light curves of SN 1992A and SN 1993J. SN 1992A and SN 1993J demonstrated our ability to orchestrate observations from the ground, with IUE, and from HST to investigate important issues in supernova research. ------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------ 9. Est obs time (hours) pri: 40.00 par: 0 10. Num targs pri: 4 par: 0 ------------------------------------------------------------------------------------ 11. Instruments requested: FOS FOC WF/PC ------------------------------------------------------------------------------------ 12. Special sched req: Time Critical obs. Real Time obs. ------------------------------------------------------------------------------------ Page 2 I. GENERAL FORM Proposal 5753 PI: Robert P. Kirshner Proposal Title: SINS: THE SUPERNOVA INTENSIVE STUDY ------------------------------------------------------------------------------------ 1. Proposers: Proposers Institution Country ESA ------------------------------------------------------------------------------------ David Branch OKLAHOMA, UNIVERSITY OF USA Claes Fransson STOCKHOLM OBSERVATORY SWEDEN X Robert Wagoner STANFORD UNIVERSITY USA J. Craig Wheeler TEXAS, UNIVERSITY OF USA Roger Chevalier VIRGINIA, UNIVERSITY OF USA Pi Robert P. Kirshner HARVARD UNIVERSITY USA Nino Panagia STSCI USA X Alexei Filippenko CALIF. BERKELEY, UNIVERSITY OF USA Mark Phillips CTIO USA Nicholas Suntzeff CTIO USA Bruno Leibundgut SWISS NATIONAL SCIENCE USA X FOUNDATION ------------------------------------------------------------------------------------ 3. Description of proposed observations. We will observe SN 1987A in this Cycle 4 program. Our intention here is to give a narrative description of the observations described in the exposure log sheets. SN 1987A has been the object of our Cycle 1, 2, and 3 observing programs. Our goal is to continue this work, taking advantage of the improvements in telescope performance promised by COSTAR and WFPC2. We have used the FOS to obtain spectra from 1650-9200 angstroms using gratings G190H,G270H,G400H, G570H, and G780H with the red side detector. Since the supernova is close to two bright neighbor stars, we have used a careful offset acquisition, starting with a binary acquisition of the FOS offset star, then offsetting to the supernova debris and peaking up on the target, which should be about 19 mag in 1994. The supernova is surrounded by a ring of circumstellar material, whose spectrum we also wish to measure. We would like to move from the supernova debris to the ring (which is less than 1" away) and accumulate a spectrum at that location. It is important to keep these observations grouped so that the ring spectrum is obtained using the telescope position established by the debris spectrum The other set of observations for SN 1987A is a set of photometric measures. These data will be used to continue the light curve of SN 1987A, and they should also have adequate signal to be useful for measurements of the source size and shape using PC1 in WFPC2. The filters are F160BW (the blocked Woods filter), F255W, F336W, F439W, F555W, F658N (for the ring), F675W, F814W, and F502N (also for emission from the ring). ------------------------------------------------------------------------------------ 8. Additional comments or special requests. We have very good access to ground based facilities which are essential to getting the most out of our HST data. We have the ability to get spectra from the 1.5m at Mount Hopkins, and photometry from the 1.2m telescope there. We have regular assignments on the MMT and at the KPNO 2.1m that ensure we can get the observations of the supernovae when they are faint at age 1 year. We haveen listed the CTIO and Berkeley observers to the SINS team. They have been outstandingly effective observers of supernovae. ------------------------------------------------------------------------------------ 11. Address Information Page 3 Name: ROBERT P. KIRSHNER Category: PI Institution: HARVARD COLLEGE OBSERVATORY Address: MS-19 60 GARDEN STREET City: CAMBRIDGE State: MA Zip Code: 02138 Country: USA Telephone: (617) 495-7519 Telex (or e-mail): 92-1428 ------------------------------------------------------------------------------------ TARGET LIST a) Fixed Targets ID = 5753 [ 4] ------------------------------------------------------------------------------------------------------------------------------------ 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 ------------------------------------------------------------------------------------------------------------------------------------ Tar| Target | Target | Target |Coord | Radial |Acqui|FLX| Flux data No | Name | Description | Position |Eqnx | Vel. |Prblm|REF| | | | | | | | | ------------------------------------------------------------------------------------------------------------------------------------ 1 LMC-SN1987A A, 179 RA = 5H 35M 49.99S +/- 1950.0 V =-285 COMP 1 V = 19.5 +/- 1.0 0.01S, 2 E(B-V) = 0.17 DEC = -69D 17' 58.08" +/- 0.03" Comments: THE SUPERNOVA IS FADING, SO MAGNITUDE DEPENDS ON TIME. STARS 2 AND 3 ARE NEARBY AND BRIGHT (2 IS 14.4, 3") (3 IS 1.7", 16) ------------------------------------------------------------------------------------------------------------------------------------ 100 LMC-SN1987A- A,179 RA-OFF = -2.48S +/- 0.01S , 1950.0 V =-285 1 V = 19.5 +/- 1.0 FOS DEC-OFF = 7.26" +/- 0.01", 2 E(B-V) = 0.17 FROM 101 Comments: THE SUPERNOVA IS FADING, SO MAGNITUDE DEPENDS ON TIME. STARS 2 AND 3 ARE NEARBY AND BRIGHT (2 IS 14.4, 3") (3 IS 16, 1.7") ------------------------------------------------------------------------------------------------------------------------------------ 101 LMC-SN1987A- A,179 RA = 5H 35M 52.47S +/- .01S, 1950.0 1 V = 16.07 +/- 0.02 OFFSET DEC = -69D 18' 05.34" +/- 2 B = 15.92 +/- 0.02 0.01" 3 U = 15.03 +/- 0.02 4 R = 16.12 +/- 0.02 5 E(B-V) = 0.17 Comments: OFFSET STAR FOR FOS ACQUISTION FROM PC6 OFFSET MEASURED ON PC6 IMAGE ------------------------------------------------------------------------------------------------------------------------------------ 102 LMC-SN1987A- A,179 RA-OFF = -2.61S +/- 0.01S , 1950.0 1 V = 20.0 +/- 1.0 RING-FOS DEC-OFF = 7.55" +/- 0.01", 2 E(B-V) = 0.17 FROM 101 Comments: TARGET FOR RING SPECTRA ------------------------------------------------------------------------------------------------------------------------------------ EXPOSURE LOGSHEET ID = 5753 [ 5] ------------------------------------------------------------------------------------------------------------------------------------ 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |10 | 11 | 12 |13 |14| 15 ------------------------------------------------------------------------------------------------------------------------------------ Line | Seq | Target |Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | S/N |Flx|Pr| Special Number | Name | Name |Config| Mode |or FOV |Element |Waveln.| Parameters |Exp| |Rel. Time|Ref| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 LMC-SN1987A FOS/RD ACQ/ 4.3 MIRROR BRIGHT=330000 1 7.98S 10 1 1 ONBOARD ACQ FOR -OFFSET BINARY 1.01 SEQ 1.0-1.8 WITHIN 1D CYCLE 4 / 1-230 Comments: OBS STARTEGY IS AS FOLLOWS: A) BIN/ACQ ON OFFSET STAR B) PEAKUP ON SUPERNOVA C) ACCUM SPECTRA OF SUPERNOVA D) SLEW TO RING-POSITION E) ACCUM SPECTRA OF CIRCUMSTELLAR RING ------------------------------------------------------------------------------------------------------------------------------------ 1.01 LMC-SN1987A FOS/RD ACQ/ 0.3 MIRROR SCAN-STEP- 1 12S 1 1 ONBOARD ACQ FOR -FOS PEAK X=.172 1.1-1.5 SCAN-STEP- Y=.172 SEARCH-SIZE-X=5 SEARCH-SIZE-Y=5 ------------------------------------------------------------------------------------------------------------------------------------ 1.1 LMC-SN1987A FOS/RD ACCUM 0.5 G190H 1650- 1 6000S 10 1 1 -FOS 2311 Comments: THE AIM HERE IS TO BUILD THE SPECTRUM OF THE SUPERNOVA AND ITS CIRCUMSTELLAR MATTER. ------------------------------------------------------------------------------------------------------------------------------------ 1.2 LMC-SN1987A FOS/RD ACCUM 0.5 G270H 2223- 1 6000S 10 1 1 -FOS 3278 ------------------------------------------------------------------------------------------------------------------------------------ 1.3 LMC-SN1987A FOS/RD ACCUM 0.5 G400H 3240- 1 4000S 10 1 1 -FOS 4781 ------------------------------------------------------------------------------------------------------------------------------------ 1.4 LMC-SN1987A FOS/RD ACCUM 0.5 G570H 4571- 1 4000S 10 1 1 -FOS 6817 ------------------------------------------------------------------------------------------------------------------------------------ 1.5 LMC-SN1987A FOS/RD ACCUM 0.5 G780H 6281- 1 4000S 10 1 1 -FOS 9219 ------------------------------------------------------------------------------------------------------------------------------------ 1.51 LMC-SN1987A FOS/RD ACQ/ 4.3 MIRROR BRIGHT=330000 1 7.98S 10 1 1 ONBOARD ACQ FOR -OFFSET BINARY 1.52 ------------------------------------------------------------------------------------------------------------------------------------ 1.52 LMC-SN1987A FOS/RD ACQ/ 0.3 MIRROR SCAN-STEP- 1 12S 1 1 ONBOARD ACQ FOR -RING-FOS PEAK X=.172 1.55-1.8 SCAN-STEP- Y=.172 SEARCH-SIZE-X=5 SEARCH-SIZE-Y=5 ------------------------------------------------------------------------------------------------------------------------------------ EXPOSURE LOGSHEET ID = 5753 [ 6] ------------------------------------------------------------------------------------------------------------------------------------ 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |10 | 11 | 12 |13 |14| 15 ------------------------------------------------------------------------------------------------------------------------------------ Line | Seq | Target |Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | S/N |Flx|Pr| Special Number | Name | Name |Config| Mode |or FOV |Element |Waveln.| Parameters |Exp| |Rel. Time|Ref| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1.55 LMC-SN1987A FOS/RD ACCUM 0.5 G190H 1650- 1 4000S 10 1 1 GROUP 1.55-1.8 NO -RING-FOS 2311 GAP Comments: BEGIN SERIES OF 87A RING SPECTRA THIS SHOULD BE SCHEDULED RIGHT AFTER SUPERNOVA SPECTRA THE IS A SMALL SLEW TO THE RING TARGET BUT ZEROING OF THE TELESCOPE POSITION IS NOT REQUIRED. ------------------------------------------------------------------------------------------------------------------------------------ 1.6 LMC-SN1987A FOS/RD ACCUM 0.5 G270H 2223- 1 4000S 10 1 1 -RING-FOS 3278 ------------------------------------------------------------------------------------------------------------------------------------ 1.7 LMC-SN1987A FOS/RD ACCUM 0.5 G400H 3240- 1 4000S 10 1 1 -RING-FOS 4781 ------------------------------------------------------------------------------------------------------------------------------------ 1.8 LMC-SN1987A FOS/RD ACCUM 0.5 G570H 4571- 1 4000S 10 1 1 -RING-FOS 6817 ------------------------------------------------------------------------------------------------------------------------------------ 122 DEFINE LMC-SN1987A WFPC2 IMAGE PC1 F255W CR-SPLIT=NO 2 900S 30 1 1 SN87PHO TA Comments: TWO 900 SECOND EXPOSURES ------------------------------------------------------------------------------------------------------------------------------------ 123 DEFINE LMC-SN1987A WFPC2 IMAGE PC1 F336W CR-SPLIT=NO 2 600S 30 1 1 SN87PHO TA Comments: TWO 600 SECOND EXPOSURES ------------------------------------------------------------------------------------------------------------------------------------ 124 DEFINE LMC-SN1987A WFPC2 IMAGE PC1 F439W CR-SPLIT=NO 2 400S 30 1 1 SN87PHO TA Comments: TWO 400 SECOND EXPOSURES ------------------------------------------------------------------------------------------------------------------------------------ 125 DEFINE LMC-SN1987A WFPC2 IMAGE PC1 F555W CR-SPLIT=NO 2 300S 30 1 1 SN87PHO TA Comments: TWO 300 SECOND EXPOSURES ------------------------------------------------------------------------------------------------------------------------------------ 126 DEFINE LMC-SN1987A WFPC2 IMAGE PC1 F658N CR-SPLIT=NO 4 1200S 30 1 1 SN87PHO TA Comments: FOUR 1200 SECOND EXPOSURES ------------------------------------------------------------------------------------------------------------------------------------ 127 DEFINE LMC-SN1987A WFPC2 IMAGE PC1 F675W CR-SPLIT=NO 2 300S 30 1 1 SN87PHO TA Comments: TWO 300 SECOND EXPOSURES ------------------------------------------------------------------------------------------------------------------------------------ EXPOSURE LOGSHEET ID = 5753 [ 7] ------------------------------------------------------------------------------------------------------------------------------------ 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |10 | 11 | 12 |13 |14| 15 ------------------------------------------------------------------------------------------------------------------------------------ Line | Seq | Target |Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | S/N |Flx|Pr| Special Number | Name | Name |Config| Mode |or FOV |Element |Waveln.| Parameters |Exp| |Rel. Time|Ref| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 128 DEFINE LMC-SN1987A WFPC2 IMAGE PC1 F814W CR-SPLIT=NO 2 300S 30 1 1 SN87PHO TA Comments: TWO 300 SECOND EXPOSURES ------------------------------------------------------------------------------------------------------------------------------------ 129 DEFINE LMC-SN1987A WFPC2 IMAGE PC1 F502N CR-SPLIT=NO 4 1200S 30 1 1 SN87PHO TA Comments: FOUR 1200 SECOND EXPOSURES ------------------------------------------------------------------------------------------------------------------------------------ 130 USE GROUP 122-129 NO SN87PHO GAP TA Comments: BEGIN PHOTOMETRY OF 87A ------------------------------------------------------------------------------------------------------------------------------------ 224 DEFINE LMC-SN1987A WFPC2 IMAGE PC1 F439W CR-SPLIT=NO 2 400S 30 1 1 SN87PHO TB Comments: TWO 400 SECOND EXPOSURES ------------------------------------------------------------------------------------------------------------------------------------ 225 DEFINE LMC-SN1987A WFPC2 IMAGE PC1 F555W CR-SPLIT=NO 2 300S 30 1 1 SN87PHO TB Comments: TWO 300 SECOND EXPOSURES ------------------------------------------------------------------------------------------------------------------------------------ 227 DEFINE LMC-SN1987A WFPC2 IMAGE PC1 F675W CR-SPLIT=NO 2 300S 30 1 1 SN87PHO TB Comments: TWO 300 SECOND EXPOSURES ------------------------------------------------------------------------------------------------------------------------------------ 228 DEFINE LMC-SN1987A WFPC2 IMAGE PC1 F814W CR-SPLIT=NO 2 300S 30 1 1 SN87PHO TB Comments: TWO 300 SECOND EXPOSURES ------------------------------------------------------------------------------------------------------------------------------------ 230 USE GROUP 224-228 NO SN87PHO GAP TB AFTER 130 BY 200D +/- 50D Comments: BEGIN PHOTOMETRY OF 87A ------------------------------------------------------------------------------------------------------------------------------------ Summary Form for Proposal 5753 [ 8] Item Used in this proposal ------------------------------------------------------------------------------------------------------------------------------------ Configurations FOS/RD WFPC2 ------------------------------------------------------------------------------------------------------------------------------------ Opmodes ACQ/BINARY ACQ/PEAK ACCUM IMAGE ------------------------------------------------------------------------------------------------------------------------------------ Optional Parameters BRIGHT SCAN-STEP-X=.172 SCAN-STEP-Y=.172 SEARCH-SIZE-X=5 SEARCH-SIZE-Y=5 CR-SPLIT=NO ------------------------------------------------------------------------------------------------------------------------------------ Proposal for GO ------------------------------------------------------------------------------------------------------------------------------------ S/C Hours 40.00 ------------------------------------------------------------------------------------------------------------------------------------ Scientific Category INTERSTELLAR MEDIUM ------------------------------------------------------------------------------------------------------------------------------------ Scientific Sub-category SN & SNR ------------------------------------------------------------------------------------------------------------------------------------ Special Requirements ONBOARD ACQ FOR 1.01; SEQ 1.0-1.8 WITHIN 1D; CYCLE 4 / 1-230 ONBOARD ACQ FOR 1.1-1.5; ONBOARD ACQ FOR 1.52; ONBOARD ACQ FOR 1.55-1.8; GROUP 1.55-1.8 NO GAP GROUP 122-129 NO GAP GROUP 224-228 NO GAP; AFTER 130 BY 200D +/- 50D ------------------------------------------------------------------------------------------------------------------------------------ Spectral Elements MIRROR G190H G270H G400H G570H G780H F255W F336W F439W F555W F658N F675W F814W F502N ------------------------------------------------------------------------------------------------------------------------------------ Target Names LMC-SN1987A LMC-SN1987A-FOS LMC-SN1987A-OFFSET LMC-SN1987A-RING-FOS ------------------------------------------------------------------------------------------------------------------------------------